Home / 5,180.11-7,148.01-2,911.09

Finding the Fourth Proportional to 5,180.11, 7,148.01 and 2,911.09

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Solution

The fourth proportional to 5,180.11, 7,148.01 and 2,911.09 is: 4,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.11 : 7,148.01 = 2,911.09 : x
  2. Step 2: Convert to fraction form
    5,180.11/7,148.01 = 2,911.09/x
  3. Step 3: Cross multiply
    5,180.11x = 7,148.01 × 2,911.09
  4. Step 4: Simplify right side
    5,180.11x = 20,808,464.69
  5. Step 5: Solve for x
    x = 20,808,464.69/5,180.11
  6. Step 6: Final answer
    x = 4,017.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.